542717027617 has 4 divisors (see below), whose sum is σ = 548090463636. Its totient is φ = 537343591600.

The previous prime is 542717027609. The next prime is 542717027623. The reversal of 542717027617 is 716720717245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356499749776 + 186217277841 = 597076^2 + 431529^2 .

It is a cyclic number.

It is not a de Polignac number, because 542717027617 - 2³ = 542717027609 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542717027317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686717858 + ... + 2686718059.

It is an arithmetic number, because the mean of its divisors is an integer number (137022615909).

Almost surely, 2^542717027617 is an apocalyptic number.

It is an amenable number.

542717027617 is a deficient number, since it is larger than the sum of its proper divisors (5373436019).

542717027617 is a wasteful number, since it uses less digits than its factorization.

542717027617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373436018.

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 542717027617 in words is "five hundred forty-two billion, seven hundred seventeen million, twenty-seven thousand, six hundred seventeen".